Vehicle-mounted sign



FIG. 1 is a top, left, front perspective view of a vehicle-mounted sign, showing my new design;

FIG. 2 is a bottom, right, rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken line portion of the figure drawings is included to show portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a vehicle-mounted sign, as shown and described. 